修改以下代码：

fraeworks\base\wifi\java\android\net\wifi下面wifiApConfigStore.Java中的

loadApConfiguration()

{

.... ....

config.preSharedKey = in.readUTF(); =>修改为希望设置的字符串密码

.... ....

}

============================

git df frameworks/base/wifi/java/android/net/wifi/WifiApConfigStore.java

diff --git a/frameworks/base/wifi/java/android/net/wifi/WifiApConfigStore.java b/frameworks/base/wifi/java/android/net/wifi/WifiApConfigStore.java

index ec9acac..d409e44 100644

--- a/frameworks/base/wifi/java/android/net/wifi/WifiApConfigStore.java

+++ b/frameworks/base/wifi/java/android/net/wifi/WifiApConfigStore.java

@@ -232,7 +232,7 @@ class WifiApConfigStore extends StateMachine {

config.allowedKeyManagement.set(KeyMgmt.WPA2_PSK);

String randomUUID = UUID.randomUUID().toString();

//first 12 chars from xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx

- config.preSharedKey = randomUUID.substring(0, 8) + randomUUID.substring(9,13);

+ config.preSharedKey = "12345678";//randomUUID.substring(0, 8) + randomUUID.substring(9,13);

sendMessage(WifiStateMachine.CMD_SET_AP_CONFIG, config);

}

}

5.1系统修改的地方：

diff --git a/frameworks/opt/net/wifi/service/java/com/android/server/wifi/WifiApConfigStore.java b/frameworks/opt/net/wifi/service/jav

old mode 100644

new mode 100755

index 19426e2..b0ebf64

--- a/frameworks/opt/net/wifi/service/java/com/android/server/wifi/WifiApConfigStore.java

+++ b/frameworks/opt/net/wifi/service/java/com/android/server/wifi/WifiApConfigStore.java

@@ -245,7 +245,8 @@ class WifiApConfigStore extends StateMachine {

config.allowedKeyManagement.set(KeyMgmt.WPA2_PSK);

String randomUUID = UUID.randomUUID().toString();

//first 12 chars from xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx

- config.preSharedKey = randomUUID.substring(0, 8) + randomUUID.substring(9,13);

+ // config.preSharedKey = randomUUID.substring(0, 8) + randomUUID.substring(9,13);

+ config.preSharedKey = "10101010";

sendMessage(WifiStateMachine.CMD_SET_AP_CONFIG, config);

}

}